Study Design. Prospectie case - control study testing a new diagnostic method.

研究设计: 为试验一种新的诊断方法而做的预期病例对照研究.

互联网

Methods Both sib - pairs and random case - control designs were used.

方法采用同胞对和随机病例 - 对照两种实验设计.

互联网

Both the cohort and case control studies are observational studies.

队列对照研究和病例对照研究都是观察研究.

互联网

Study Design. Retrospective case - control series.

研究设计: 回顾性病例对照.

互联网

Methods: A case control study was conducted.

方法: 采用病例对照研究.

互联网

Design Retrospective case control study.

设计回顾性病例对照研究.

互联网

Methods Prevalence survey and case control study.

方法现况调查和危险因素的病例对照研究.

互联网

Methods Case control study.

方法断面对照研究.

互联网

Methods Case control study was used.

方法采用病例对照研究.

互联网

In addition, case - control studies indicate an increased risk of ocular melanoma when using these devices.

此外, 病例对照研究表明使用这些设备后罹患眼部黑色素瘤的风险增加.

互联网

Title: Comparison of two techniques of transarterial chemoembolization before lier transplantation for hepatocellular carcinoma: A case - control study.

肝细胞性肝癌在肝移植前两种经动脉介入化疗方法的比较: 病倒 - 对照研究.

互联网

Methods: The case control study was performed in 260 patients with cyclomastopathy grouped randomly.

方法前瞻性随机对照研究260例乳腺增生症患者.

互联网

Methods Clinical epidemiological study methods included cross - sectional study, case - control study, diagnostic test evaluation and cost - effectiveness analysis.

方法采用临床流行病学的研究方法,包括横断面调查 、 病例对照研究 、 诊断试验评价及费用效果分析.

互联网

A population survey - based nested 1:3 matched case - control study paired by age, sex and index ( BMI ) was conducted.

以人群调查为基础,采用嵌套1︰3配对病例对照研究方法,配对条件:年龄 、 性别和体重指数.

互联网